iteration 01 done

src/main/java/cz/muni/fi/pb162/project/Demo.java

 package cz.muni.fi.pb162.project;
 
 
+import cz.muni.fi.pb162.project.geometry.Vertex2D;
+
 /**
  * Class for running main method.
  *
- * @author TODO: put your name here
+ * @author Georgii Aksenov <xaksenov@fi.muni.cz>
  */
 public class Demo {
 
     /**
-     * Runs the code.
+     * prints info for two vertices of fixed coordinates.
      *
      * @param args command line arguments, will be ignored
      */
     public static void main(String[] args) {
+        Vertex2D v1 = newVertex(2, 3);
+        Vertex2D v2 = newVertex(1, 1);
+
+        v1.move(v2);
 
-        System.out.println("Hello world!");
+        System.out.println(v1.getInfo());
+        System.out.println(v2.getInfo());
+    }
 
+    /**
+     * Creates new instance of Vertex2D.
+     *
+     * @param x coordinate for new vector
+     * @param y coordinate for new vector
+     * @return new Vertex2D.
+     */
+    private static Vertex2D newVertex(double x, double y) {
+        Vertex2D vertex = new Vertex2D();
+        vertex.setX(x);
+        vertex.setY(y);
+        return vertex;
     }
 }

src/main/java/cz/muni/fi/pb162/project/geometry/Vertex2D.java

+package cz.muni.fi.pb162.project.geometry;
+
+
+/**
+ * @author Georgii Aksenov <xaksenov@fi.muni.cz>
+ */
+public class Vertex2D {
+    private double X = 0;
+    private double Y = 0;
+
+    public double getX() {
+        return X;
+    }
+
+    public void setX(double x) {
+        X = x;
+    }
+
+    public double getY() {
+        return Y;
+    }
+
+    public void setY(double y) {
+        Y = y;
+    }
+
+    /**
+     * To get string representation.
+     *
+     * @return string representation.
+     */
+    public String getInfo() {
+        return String.format("[%.1f, %.1f]", X, Y);
+    }
+
+    /**
+     * To get sum of coordinates.
+     *
+     * @return sum of coordinates.
+     */
+    public double sumCoordinates() {
+        return X + Y;
+    }
+
+    /**
+     * Moves the vertex.
+     *
+     * @param vertex is added to this vertex.
+     */
+    public void move(Vertex2D vertex) {
+        X += vertex.X;
+        Y += vertex.Y;
+    }
+}